Earlier quoted context omitted.
"our companies"? Facebook isn't only a US company. Facebook Ltd is a UK company and they have many more companies around the world. If you want to operate in UK and generate revenues there then Facebook Ltd must follow UK laws.
GDPR is more overeaching than that. You don’t need physical presence in EU to be subject to it. In theory, just having a webserver storing access logs (default of Apache and Nginx) makes you infringing it as EU IPs are now considered personal data.
That's not true. Read the 23rd point right at the top: https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CEL...
Here's the part of it that covers your webserver: "Whereas the mere accessibility of the controller's, processor's or an intermediary's website in the Union, of an email address or of other contact details, or the use of a language generally used in the third country where the controller is established, is insufficient to ascertain such intention, [...]".